HRM-45 Rockwell Hardness Tester
Introduction
Rockwell hardness test is a simple instrument to test the hardness value of hard metals, carburized steels, quenched steels, hard cast irons, mild steels, Al-alloys, Cu-alloys and malleable irons according to Rockwell Principle according to ISO 6508 and ASTM E18. It measures the depth difference between the primary and testing load and convert the depth difference to the hardness value. These machines can be operated semi-automatically. They are essential testing instruments for quality testing section, university and college, research institution and industrial laboratory.
Features
Model HRM-45 is superficial Rockwell test scales N & T (15/30/45kgf) with dial indicator and hand control loading.
Model HRM-45DT is superficial Rockwell test scales N & T (15/30/45kgf) with dial indicator and motor control loading.
Model HRMS-45 is superficial Rockwell test scales N & T (15/30/45kgf) with digital indicator and motor control loading. Hardness value convert to HRA, HRB, HRC, HV, HB
Specification

Model

HRM-45

HRM-45DT

HRMS-45

Preliminary test force

29.4N (3Kgf)

29.4N (3Kgf)

29.4 N(3 kgf)

Total test force

147N(15Kgf)
294N(30Kgf)
441N(45Kgf)

147N(15Kgf)
294N(30Kgf)
441N(45Kgf)

147.1N(15kgf)
294.2N (30kgf)
441.3N (45kgf)

Total test force dwell time

1-30S

2-60S

2-60S

Hardness indication

Dial

Dial

Digital

Max height of specimens

175mm

175mm

175mm

Max width of specimens

165mm

165mm

165mm

Dimension(DxWxH)(mm)

520×215×700

520×215×700

520×215×700

Net weight

80Kg

Power supply

No need

AC220V 50/60HZ

Standard Accessories

Diamond Rockwell indenter (1),
Ø1.5875mm hardness ball indenter(1),
Standard Superficial Rockwell Hardness Block(3)

Testing table (big, medium, ”V”) (total 3), Weight block(A, B, C), Lever